| Cause | Method of elimination |
| The indicator lamp lights up with the engine running at half or full brightness | |
| Carbon brushes are faulty | Replace brushes Replace the rotor |
| The rotor winding is faulty | Check cable connections |
| The excitation chain is broken | Check diodes and holders, replace if necessary |
| Faulty diodes or diode holders Cable D+/61 closes to "ground" | Fix the short circuit or replace the cable |
| The drive belt is loose | Tighten the belt Replace the regulator |
| The regulator is faulty Open or short to ground in the supply wiring | Check the cables and their connections |
| The control lamp does not light when the engine is started | |
| The control lamp is faulty | Install a 4W test lamp |
| Wire break | Fix the break |
| The indicator lamp does not light when the engine is not running. The ignition is on | |
| The control lamp is faulty | Install a 4W test lamp |
| The battery is discharged | Charge the battery |
| Battery faulty | Replace the battery |
| The cable is loose or damaged | Replace the cable, secure the connections |
| The regulator is damaged | Replace the regulator |
| Short circuit of the positive diode in the generator | Disconnect the wire otherwise the battery will discharge Rebuild the generator |
| The carbon brushes are worn out | Replace the brushes |
| Oxidation of slip rings, break in rotor winding | Repair the generator |
- Home
- BMW X5
- E53
- Electrical equipment
- Equipment and devices
- Generator fault diagnostics
Generator fault diagnostics (BMW X5 E53)
This article is available at russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian
Article verified: Zhuravleva Isolda
Share information:
Previous articles
БМВ E53: Equipment and devices
Next articles
Similar articles on other types of BMW cars:
Generator fault diagnostics BMW 3 Series E30 (1982-1994)
Generator fault diagnostics BMW 3 Series E36 (1990-2000)
Generator fault diagnostics BMW 5 Series E34 (1988-1996)
Generator fault diagnostics BMW 5 Series E39 (1995-2003)
Generator fault diagnostics BMW 7 Series E32 (1986-1994)
Car fault diagnostics BMW 7 Series E38 (1994-2001)
Diagnostics and cleaning of fuel injectors BMW X3 E83 (2003-2010)
Generator fault diagnostics BMW 3 Series E30 (1982-1994)
Generator fault diagnostics BMW 3 Series E36 (1990-2000)
Generator fault diagnostics BMW 5 Series E34 (1988-1996)
Generator fault diagnostics BMW 5 Series E39 (1995-2003)
Generator fault diagnostics BMW 7 Series E32 (1986-1994)
Car fault diagnostics BMW 7 Series E38 (1994-2001)
Diagnostics and cleaning of fuel injectors BMW X3 E83 (2003-2010)
Link in different formats to this page
Visitor comments
No comments yet
- General information
- Manual
- Maintenance
- M54 petrol engine
- Engine repair
- Lubrication system
- Cooling system
- Supply system
- Injection system
- Exhaust system
- Engine electrics
- M62 petrol engine
- Engine repair
- Lubrication system
- Cooling system
- Supply system
- Exhaust system
- Engine electrics
- N62 petrol engine
- Engine repair
- Cooling and lubrication system
- Power and exhaust system
- Engine electrics
- Diesel engine M57
- Engine repair
- Lubrication system
- Cooling system
- Power and exhaust system
- Engine electrics
- Turbocharging system
- Transmission
- Clutch
- Mechanical gearbox
- Automatic gearbox
- Transfer case and cardan
- Chassis
- Brake system
- Steering
- Front suspension
- Rear suspension
- Wheels and tires
- Body
- Exterior
- Interior
- Doors and windows
- Repair and maintenance
- Heater and air conditioner
- Electrical equipment
- Equipment and devices
- Levers and switches
- Electrical circuits